package com.cimu.quartz.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * Spring Context 工具类
 *
 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
    public static ApplicationContext applicationContext;
    @Override
    public void setApplicationContext(ApplicationContext applicationContext)
            throws BeansException {
        SpringContextUtils.applicationContext = applicationContext;
    }

    public static Object getBean(String name) {
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(String name, Class<T> requiredType) {
        return applicationContext.getBean(name, requiredType);
    }

    public static <T> T getBean(Class<T> requiredType) {
        return applicationContext.getBean(requiredType);
    }

    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name) {
        return applicationContext.isSingleton(name);
    }

    public static <T> List<T> getBeans(Class<T> requiredType) {
        List<T> list = new ArrayList<T>();
        Map<String, T> map = applicationContext.getBeansOfType(requiredType);
        for (Map.Entry<String, T> entry : map.entrySet()) {
            list.add(entry.getValue());
        }
        return list;
    }

    public static Class<? extends Object> getType(String name) {
        return applicationContext.getType(name);
    }
}